a.logo img{
         width: 100px;
         height: 50px;
     }
     a.logo{
         padding:0;
         margin:0 20px;
     }
     .logininfo:hover{
         cursor: pointer;
     }
     nav.navbar{
         margin-bottom:0;
     }
     .goods .row img{
         height: 234px;
         width: 234px;
     }
     .goods .row .introduce{
         display: -webkit-box;
         -webkit-box-orient: vertical;
         -webkit-line-clamp: 2;
         overflow: hidden;
     }